71,986.--TACK HAMMER.--Thomas A. Conklin, New Britain. Conn.

I claim, as a new article of manufacture, a tack hammer, constructed
in the manner and With the characteristics herein specified, for the
purposes set forth.


71,987.--FLOOR CLAMP.--Wm. Conner and C. W. Mitchell, Wilmington, Del.

We claim the combination of the frame, a, with the screws, b and d d,
with the wedge blocks, e e, wedges, f f, and plates i i, constructed and
arranged, as herein described, to operate as a clamp for clamping ship
timber, flooring, and other carpenters' work.


71,988.--BUTTON.--Geo. Cooke, Winchester, Mass.

I claim a button or stud, its shank attached by means of a disk formed
concave, and subsequently compressed, substantially as described.


71,989.--HARVESTER.--Francis C. Coppage, Terre Haute, Ind.

I claim 1st, The combination of the double or alternate step wheel, E,
having the inclined steps, e e e, with the two stepping-dogs, D D',
and the springs, x x, when the said parts are constructed and arrange
substantially in the manner and for the purposes described.

2d, The combination and arrangement of the adjusting rod, n o", with the